Projects per year
Personal profile
Research profile
Works within the subject areas of buildings' energy consumption and environmental impact (LCA), indoor climate, ventilation and Legionella. Has specific knowledge of the building regulations and the energy labeling scheme. The work includes official service, research projects and teaching.
Keywords
- Energy
- Construction
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Collaborations and top research areas from the last five years
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Verificering og kvalificering af beregningsmodel for energibesparelser i den almene sektor - Fase B
Jensen, O. M. (Project Manager) & Kragh, J. (Project Participant)
01/02/2026 → 31/08/2026
Project: Research
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REV-UP: IntegRated clean Energy harVesting modUlar enveloPe systems for Positive energy buildings
Rose, J. (PI) & Kragh, J. (PI)
01/11/2025 → 31/12/2028
Project: Research
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Legionella-SIKRING
Kragh, J. (Project Participant) & Jensen, R. L. (Project Participant)
01/01/2025 → 31/12/2027
Project: Research
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Automatik i enfamiliehuse der gennemgår større renovering – omkostninger og fordele.
Kragh, J. (Project Manager), Jensen, O. M. (PI), Rose, J. (PI) & Wittchen, K. B. (PI)
16/02/2026 → 31/05/2026
Project: Consultancy
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Kortlægning og analyse af tekniske løsninger i dispensationssager i forbindelse med renovering
Grangaard, S. (PI), Hansen, A. R. (Project Participant), de Place Hansen, E. J. (Project Participant), Wahedi, H. (Project Participant), Kragh, J. (Project Participant) & Rose, J. (Project Participant)
15/09/2025 → 31/12/2025
Project: Consultancy
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Assessing Energy Performance Certificate Data over Time: Evidence from Denmark
Schaffer, M., Marszal-Pomianowska, A., Wittchen, K. B., Kragh, J., Pomianowski, M. Z. & Provera, A., 2 Jan 2026, Proceedings of the 15th REHVA HVAC World Congress - CLIMA 2025 - Volume 2. Zilio, C., Busato, F., Mazzarella, L. & Noro, M. (eds.). Springer, Vol. 2. p. 1161–1170 10 p. (Lecture Notes in Civil Engineering, Vol. 763).Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review
File5 Downloads (Pure) -
Dispensation ved renovering – en bilagsrapport: Kortlægning og analyse af tekniske løsninger i dispensationssager i forbindelse med renovering
Grangaard, S., Hansen, A. R., Wahedi, H., de Place Hansen, E. J., Kragh, J. & Rose, J., 16 Feb 2026, København SV: Institut for Byggeri, By og Miljø (BUILD), Aalborg Universitet. 67 p. (BUILD Rapport; No. 04, Vol. 2026).Research output: Book/Report › Report › Communication
Open AccessFile194 Downloads (Pure) -
IGENBO potentialer: Executive summary
Jensen, J. O., Butera, S., Lyng, R. J., Rode, C., Lange, T., Javakhishvili-Larsen, N. & Kragh, J., 19 Jun 2026, Aalborg Universitet. 26 p.Research output: Book/Report › Report › Research
Open AccessFile9 Downloads (Pure) -
Indicators of low legionella colonization in Danish primary schools and approaches to minimise infection risks
Nielsen, N. S. & Kragh, J., 10 Jul 2026, (E-pub ahead of print) In: Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering. 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
Open Access -
Kortlægning af omfang og tendenser for ændret anvendelse af bygninger
Jensen, J. O. & Kragh, J., 30 Jan 2026, Institut for Byggeri, By og Miljø (BUILD), Aalborg Universitet. 21 p.Research output: Book/Report › Report › Research
Datasets
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Dataset of smart heat and water meter data with accompanying building characteristics
Schaffer, M. (Creator), Veit, M. (Contributor), Marszal-Pomianowska, A. (Data Manager), Frandsen, M. (Contributor), Pomianowski, M. Z. (Contributor), Dichmann, E. (Contributor), Sørensen, C. G. (Contributor) & Kragh, J. (Contributor), VBN, 27 Nov 2023
DOI: 10.5278/7e93e42e-38fc-4d87-ad68-ff1a2d1091aa, https://www.forefront.aau.dk/
Dataset
File
Activities
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Legionella-temadag 2025
Kragh, J. (Lecturer) & Nielsen, N. S. (Lecturer)
12 Nov 2025Activity: Talks and presentations › Conference presentations
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Webinar om bygningsreglementets krav til efterisolering
Kragh, J. (Lecturer)
8 Nov 2023Activity: Talks and presentations › Conference presentations
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DS/S-316 - Varme- og Kølesystemer i bygninger (External organisation)
Kragh, J. (Chairperson)
26 Mar 2021 → 26 Mar 2024Activity: Memberships › Membership of committees, commissions, boards, councils, associations, organisations, or similar
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DS/S-313 - VENTILATION I BYGNINGER (External organisation)
Kragh, J. (Member)
26 Mar 2021 → 26 Mar 2024Activity: Memberships › Membership of committees, commissions, boards, councils, associations, organisations, or similar
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DS/S-314 - Vandforsyning (External organisation)
Kragh, J. (Member)
13 Feb 2020 → 13 Feb 2024Activity: Memberships › Membership of committees, commissions, boards, councils, associations, organisations, or similar
Press/Media
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Simple og billige tiltag kan fordoble vinduers levetid, men det kan ikke betale sig - for producenterne
Tozan, B., Olsen, C. O., Sørensen, C. G., Kragh, J., Rose, J., Aggerholm, S. & Birgisdottir, H.
08/05/2026
1 item of Media coverage
Press/Media: Press / Media
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Analyse viser, at potentialet for at begrænse nedrivninger er beskedent
Jensen, J. O., Kragh, J. & Jensen, O. M.
04/03/2026
1 item of Media coverage
Press/Media: Press / Media
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Ugens kursus fra Teknologisk Institut - Legionella-temadag 2025
28/10/2025
1 item of Media coverage
Press/Media: Press / Media
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Debat: Bygningshub - data til den grønne omstilling
29/10/2024
1 Media contribution
Press/Media: Press / Media
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Energirenovering giver massive gevinster
03/10/2021
1 item of Media coverage
Press/Media: Press / Media